Waters Xevo G2 QTof, Operator'S, Overview And Maintenance Manual, Page: 166 / 248

5-90 Maintenance Procedures
Cleaning or replacing the corona pin
Required materials
• Chemical-resistant, powder-free gloves
• Needle-nose pliers
• HPLC-grade (or better) methanol
• Lint-free tissue
• Lapping film
• Corona pin
To clean or replace the corona pin:
1. Remove the corona pin from the source (see page 5-13 ).
2. Replace the corona pin if it is deformed or otherwise damaged.
Otherwise clean the tip of the pin with the lapping film, and then wipe it
clean with a methanol-saturated tissue.
3. If you are replacing the corona pin, dispose of the old pin in accordance
with local environmental regulations.
4. Install the corona pin in the source (see page 5-11 ).
Warning:
The probe and source components can be contaminated
with biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
Warning:
The probe and source can be hot. To avoid burn injuries, take
great care while performing this procedure.
Warning:
To avoid electric shock, ensure that the instrument is in
Standby mode before commencing this procedure.
Warning:
The corona pin tip is sharp. To avoid puncture wounds, handle
the corona pin with care.
Warning:
The corona pin can be contaminated with
biohazardous and/or toxic materials. Dispose of it according
to local environmental regulations.